On the printer’s control panel, tap the network name (SSID) that uses a 2.4 GHz band.

Note:
If you are using the access point (wireless router) with its default settings, select the network name (SSID) displayed on the printer’s control panel that has "_G" at the end. If you cannot acquire the network name (SSID), check the information for the access point (wireless router).
If the SSID is not displayed, tap Enter Manually, enter the network name (SSID) that uses a 2.4 GHz band, and then tap OK.